60555531690 has 32 divisors (see below), whose sum is σ = 161481418560. Its totient is φ = 16148141712.

The previous prime is 60555531563. The next prime is 60555531691. The reversal of 60555531690 is 9613555506.

It is a happy number.

60555531690 is a `hidden beast` number, since 6 + 0 + 5 + 5 + 553 + 1 + 6 + 90 = 666.

It is a super-2 number, since 2×60555531690² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (60555531691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112139604 + ... + 112140143.

It is an arithmetic number, because the mean of its divisors is an integer number (5046294330).

Almost surely, 2^60555531690 is an apocalyptic number.

60555531690 is an abundant number, since it is smaller than the sum of its proper divisors (100925886870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60555531690 is a wasteful number, since it uses less digits than its factorization.

60555531690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224279763 (or 224279757 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 45.

The spelling of 60555531690 in words is "sixty billion, five hundred fifty-five million, five hundred thirty-one thousand, six hundred ninety".